On Thu, Aug 20, 2009 at 1:33 PM, Clark Cox<[email protected]> wrote:
> -isEqual: is how Cocoa collections define equality. Saying that two
> objects are "equal" means, by definition, that -[obj1 isEqual: obj2]
> returns true.

This has nothing to do with -hash.

P: Two objects are equal.
Q: They have the same hash.

P -> Q.

Note that Q does not imply P.

--Kyle Sluder
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